Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M. Iwamatsu and Naohisa Happo and Kenju Horii,Self-Affine Fractal of Porous Silicon Surfaces before and after Natural Oxidization,physica status solidi (a),0031-8965,Wiley,2000-11-01,182,,233-237,https://cir.nii.ac.jp/crid/1874242817991103744,https://doi.org/10.1002/1521-396x(200011)182:1<233::aid-pssa233>3.0.co;2-7